﻿using System.Threading.Tasks;
using Microsoft.AspNet.Identity;
using Microsoft.AspNet.Identity.EntityFramework;
using Microsoft.AspNet.Identity.Owin;
using Microsoft.Owin;

using System.Net.Mail;
using System.Net;

namespace TheCup
{
    // Configure the application user manager used in this application. UserManager is defined in ASP.NET Identity and is used by the application.

    public class ApplicationUserManager : UserManager<ApplicationUser>
    {
        public ApplicationUserManager(IUserStore<ApplicationUser> store)
            : base(store)
        {
            // temp updates on testing.. for real Seed's go to /Migrations/Configuration.cs
        }

        public static ApplicationUserManager Create(IdentityFactoryOptions<ApplicationUserManager> options, IOwinContext context) 
        {
            var manager = new ApplicationUserManager(new UserStore<ApplicationUser>(context.Get<ApplicationDbContext>()));
            
            // Configure validation logic for usernames
            manager.UserValidator = new UserValidator<ApplicationUser>(manager)
            {
                AllowOnlyAlphanumericUserNames = false,
                RequireUniqueEmail = true
            };

            // Configure validation logic for passwords
            manager.PasswordValidator = new PasswordValidator
            {
                // remember to change the ViewModel for validation
                RequiredLength = 3,
                RequireNonLetterOrDigit = false,
                RequireDigit = false,
                RequireLowercase = false,
                RequireUppercase = false,
            };

            // Register two factor authentication providers. This application uses Phone and Emails as a step of receiving a code for verifying the user
            // You can write your own provider and plug in here.
            manager.RegisterTwoFactorProvider("PhoneCode", new PhoneNumberTokenProvider<ApplicationUser>
            {
                MessageFormat = "Your security code is: {0}"
            });

            manager.RegisterTwoFactorProvider("EmailCode", new EmailTokenProvider<ApplicationUser>
            {
                Subject = "Security Code",
                BodyFormat = "Your security code is: {0}"
            });

            manager.EmailService = new EmailService();
            //manager.SmsService = new SmsService();
            
            var dataProtectionProvider = options.DataProtectionProvider;
            
            if (dataProtectionProvider != null)
            {
                manager.UserTokenProvider = new DataProtectorTokenProvider<ApplicationUser>(dataProtectionProvider.Create("ASP.NET Identity"));
            }
            return manager;
        }
    }

    public class EmailService : IIdentityMessageService
    {
        private const string SYSTEM_EMAIL = "TheCup <thecup.noreply@gmail.com>";
        
        public Task SendAsync(IdentityMessage message)
        {
            // Plug in your email service here to send an email.
            SmtpClient smtp = new SmtpClient("smtp.gmail.com") { EnableSsl = true, Credentials = new NetworkCredential("thecup.noreply@gmail.com", "TheCup2010") };

            MailMessage msg = new MailMessage (SYSTEM_EMAIL, message.Destination);
            msg.Subject = message.Subject;
            msg.Body = message.Body;
            
            return smtp.SendMailAsync(msg);
        }
    }

    public class SmsService : IIdentityMessageService
    {
        public Task SendAsync(IdentityMessage message)
        {
            // Plug in your sms service here to send a text message.
            return Task.FromResult(0);
        }
    }
}
